Eko. (2015). Agreement and Disagreement. Regina Eka Utama.
Chicago Style CitationEko. Agreement and Disagreement. Regina Eka Utama, 2015.
MLA引文Eko. Agreement and Disagreement. Regina Eka Utama, 2015.
警告：這些引文格式不一定是100％准確.
APA引文